update app.py

app.py

@@ -12,10 +12,6 @@ import os
 from dotenv import load_dotenv
 import tempfile
 
-# Set replicate API token as environment variable
-replicate_api_token = "r8_AA3K1fhDykqLa5M74E5V0w5ss1z0P9S3foWJl"
-os.environ["REPLICATE_API_TOKEN"] = replicate_api_token
-
 load_dotenv()
 
 def initialize_session_state():
@@ -52,6 +48,9 @@ def display_chat_history(chain):
                     message(st.session_state["generated"][i], key=str(i), avatar_style="fun-emoji")
 
 def create_conversational_chain(vector_store):
+    replicate_api_token = "r8_AA3K1fhDykqLa5M74E5V0w5ss1z0P9S3foWJl"  # Replace with your actual token
+    os.environ["REPLICATE_API_TOKEN"] = replicate_api_token
+
     llm = Replicate(
         streaming=True,
         model="replicate/llama-2-70b-chat:58d078176e02c219e11eb4da5a02a7830a283b14cf8f94537af893ccff5ee781",